Index: src/main/java/info/magnolia/module/templatingkit/dam/dialog/DialogDAM.java
===================================================================
--- src/main/java/info/magnolia/module/templatingkit/dam/dialog/DialogDAM.java	(revision 40135)
+++ src/main/java/info/magnolia/module/templatingkit/dam/dialog/DialogDAM.java	(working copy)
@@ -98,7 +98,7 @@
             Content storageNode, Content configNode) throws RepositoryException {
 
         super.init(request, response, storageNode, configNode);
-        this.handlers = getDamSupport().getHandlers().values();
+        setHandlers();
         loadSubs();
     }
 
@@ -182,7 +182,7 @@
         }
     }
 
-    private DAMSupport getDamSupport() {
+    protected DAMSupport getDamSupport() {
         try {
             Content websiteNode = this.getStorageNode();
             if( websiteNode == null) {
@@ -192,11 +192,30 @@
             return STKUtil.getSite(websiteNode).getDamSupport();
         } catch (Exception e) {
             //ignore
+
+            //Should not be ignored -> is used in the init method will produce a null on 'this.handlers = getDamSupport().getHandlers().values();'
+            //I suggest to return always the default site definition's DamSupport config.
         }
         return null;
 
     }
 
+    protected void setHandlers() {
+        DAMSupport damSupport = getDamSupport();
+        if(damSupport != null){
+            this.handlers = getDamSupport().getHandlers().values();
+        }
+
+    }
+
+    public Collection<DAMHandler> getHandlers() {
+        return handlers;
+    }
+
+    public void setHandlers(Collection<DAMHandler> handlers) {
+        this.handlers = handlers;
+    }
+
     private List<Button> getDamRadioOptions() {
         List<Button> selectOptions = new ArrayList<Button>();
         for(DAMHandler handler: handlers) {